The end of a U.S.-Russia arms treaty spells long-term trouble

by Ian BremmerFeb 18, 20192 minutes

SOME FOREIGN-POLICY decisions fundamentally reshape the world as we know it in an instant. Others take years for their full impact to be felt.

The Trump Administration’s decision on Feb. 1 to withdraw the U.S. from the Cold War–era Intermediate-Range Nuclear Forces (INF) Treaty is in the second category. The threat of nuclear war has not suddenly spiked because the